Home / 78,868,710.30-118,303,065.45-46,536,102.30

Finding the Fourth Proportional to 78,868,710.30, 118,303,065.45 and 46,536,102.30

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Solution

The fourth proportional to 78,868,710.30, 118,303,065.45 and 46,536,102.30 is: 69,804,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,868,710.30 : 118,303,065.45 = 46,536,102.30 : x
  2. Step 2: Convert to fraction form
    78,868,710.30/118,303,065.45 = 46,536,102.30/x
  3. Step 3: Cross multiply
    78,868,710.30x = 118,303,065.45 × 46,536,102.30
  4. Step 4: Simplify right side
    78,868,710.30x = 5,505,363,556,184,795
  5. Step 5: Solve for x
    x = 5,505,363,556,184,795/78,868,710.30
  6. Step 6: Final answer
    x = 69,804,153.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.